Ranbir Kapoor has started work on his upcoming project Sanjay Dutt's biopic. Recently Ranbir Kapoor reached for a recording session of the film. Where he recorded some parts of the film. Some pictures of recording have come out in which it is clear that Ranbir has started working on his looks for Sanjay Dutt's biopic. In the pictures, Ranbir Kapoor's hairs are looking more growing than earlier. Let me tell you that Sanjay Dutt also in his young age used to take the look of long hair and now to copy him Ranbir also has grown his hairs. Ace filmmaker Rajkumar Hirani is directing this film and the film will release on Christmas 2017. Ranbir to follow Aamir's footsteps for Sanjay Dutt's biopic Ranbir Kapoor will do lots of transformation to fit in the role of Sanjay Dutt. First, he has to grow his hairs and then will have to work on his body because Sanjay was a very good bodybuilder that time and his body was quite popular that time. Ranbir will do experiments for this role like what Aamir Khan did for his recent released flick Dangal. Box office clash between Ranbir and Salman Earlier there were the rumors that the film's shooting will start on 14th February which later got declined by the sources that the film will go on floors from 14th January. First Rajkumar Hirani will shoot some portion in Mumbai and then they will head to New York for the shoots. Reports are that Sonam Kapoor is playing leading lady's role in the film. Anushka Sharma will play a journalist in the film. You may also like :- Bollywood Movies 2017 Upcoming movies List Box office collection Superhit Movies List Top 10 Highest Grossing Movies 100 Crore Club